Home / 20,127,618.30-30,191,427.45-16,938,972.30

Finding the Fourth Proportional to 20,127,618.30, 30,191,427.45 and 16,938,972.30

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Solution

The fourth proportional to 20,127,618.30, 30,191,427.45 and 16,938,972.30 is: 25,408,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127,618.30 : 30,191,427.45 = 16,938,972.30 : x
  2. Step 2: Convert to fraction form
    20,127,618.30/30,191,427.45 = 16,938,972.30/x
  3. Step 3: Cross multiply
    20,127,618.30x = 30,191,427.45 × 16,938,972.30
  4. Step 4: Simplify right side
    20,127,618.30x = 511,411,753,273,009.62
  5. Step 5: Solve for x
    x = 511,411,753,273,009.62/20,127,618.30
  6. Step 6: Final answer
    x = 25,408,458.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.